Post Test Study Guide with Answers

POST TEST STUDY GUIDE

1.  Metric Unit for

            Mass: gram

            Volume: liter

            Length/Distance: meters

 

2. In an experiment all variables should be kept the same except for the independent variable, the one you are testing/changing on purpose.

 

3.  The dependent variable is the variable that responds to changes in the independent variable.

 

4. Which variable is on the x axis? Manipulated/independent variable Y axis? Dependent/responding variable

 

5. Plant cells are this shape rectangular and animal cells are round

 

6. Which organelle is the

      Brain: nucleus

      Storage unit: vacuole

      Selectively permeable one: cell membrane

      Protein maker: ribosome

 

7. What two things help you to know that the cell you are looking at under a microscope is a plant cell? Cell wall, chloroplasts, chlorophyll

 

8.  List the 3 parts of the cell theory-

      1. all cells come from cells

      2. all living things are made of cells

      3. cells are the smallest and basic unit of life

 

9.  Which cell division results in the production of sex cells? meiosis

 

10. Which cell division produces daughter cells identical to the mother cell? mitosis

 

11. Define binary fission- A form of asexual reproduction in which one cell divides to form 2 identical cells

 

12.  Put in order from smallest to largest. Tissue, system, cell, organ

            cell                 à        tissue             à        organ                        à organ system

 

13. The most basic unit of life is the- cell

 

14.  List 4 organ systems found in the human body:

      1.   skeletal                     2. Digestive              3.  Nervous

      4.   respiratory                5. Circulatory          6. Integumentary

15.  Which process creates oxygen and sugar? photosynthesis

 

16. Which process uses oxygen to break down food molecules to release energy? Cellular respiration

 

17. Define diffusion and illustrate-

 

      Definition- The process by which molecules move from an area of higher concentration to an area of lower concentration

     

Illustration-

 

 

18.  Who came up with the 3 Domain system?  Carl Woese

 

19.  What are the 6 kingdoms? Animal, plant, protist, fungus, Archaebacteria, Eubacteria

 

20.  A eukaryote is an organism that has a nucleus and a prokaryote is an organism that doesn’t have a nucleus.

 

21.  Which two kingdoms are prokaryotic?

      1.   Archaebacteria                             2. Eubacteria

 

22.  Which 4 kingdoms are eukaryotic?

      1.   Animal                                                          2. protist

      3.   plant                                                              4. fungus

 

23.  Invertebrates do not have a(n) backbone.

        List 3 examples of invertebrates: 

        1. Echinoderms           2. Annelids              3. Arthropods          4. Cnidarians

 

24.  Angiosperms produce seeds and flowers while gymnosperms produce cones.

 

25.  When writing a binomial nomenclature (scientific name), use genus and species-

      1. Which word comes first? Genus

      2. Which word is in italics? All of them

      3. Which word is capitalized? Genus, the 1st word

 

26.  If two organisms are similar looking and can reproduce, then they are of the same-

Species

 

27.  What is the green pigment inside the chloroplast that helps trap light energy called?

      Chlorophyll

 

28.  The raw materials of photosynthesis are- (needed in order to perform photosynthesis)

      1. carbon dioxide                                            2. water

 

 

29. The products of photosynthesis are- (what are made)

      1. oxygen                       2. Sugar

 

30.  Photosynthesis is the foundation of all food webs and energy pyramids. (A process-not organism)

 

31. What process takes free nitrogen gas and changes it to useable forms?

      Nitrogen fixation

 

32.  Why should there be regulations on harvesting trees, fish, or any living organism?

        Because if we use up more than is replaced, they will be gone.  We need the adults to keep reproducing. We need to put sustainable yield into place.

 

33.  Food webs and energy pyramids illustrate the transfer of energy from one level to another.  Arrows are used to show the movement/transfer of energy.

 

34.  In an energy pyramid, which level has the most energy? The bottom level/producers

 

QUESTION # 35 DOES NOT TRANSFER WELL!  PLEASE KNOW WHERE THINGS ARE PLACED IN AN ENERGY PYRAMID.

36.  Why do populations establish social order?

So jobs and resources are shared

 

37.  What is the difference between a population and a community?

Population has just one species of animals and a community is a variety of all species together.

 

38. What are some examples of how animals establish their territory?

            1. Spraying scent (cats/dogs)                          2. Aggression/fighting

            3. bears scratching trees                                                4. Making noises

 

39. When 2 different species have the same or similar prey, what happens between those             two species? They compete for the resources

 

40.  A niche is an organism’s role or job in an ecosystem.

 

41.  Mutualism, Commensalism, or Parasitism?

            win/win mutualism                                    win/no effect commensalism

            win/lose parasitism

 

42.  A large region that has similar climates, plants and animals make up a- biome

 

43. What are some adaptations of coniferous trees? Waxy needles, triangle shape to tree

 

44. Phototropism is when a plant grows toward the light.

 

45.  When organisms lower their metabolism to conserve energy and resources in harsh         conditions they go- dormant, plants especially go dormant, animals hibernate

 

46. If there are no predator animals, what will happen to the prey? They will increase in population

 

47.  When there are too many nutrients in the water, causing eutrophication, what gas will         leave the water? oxygen

 

48. Why do some exotic or invasive species take over? Because they do not have a natural predator

 

49.  Humans can have a negative impact on ecosystems and habitat size how?

            Destruction of habitats                clearing land                      cutting down trees

            Littering                                             burning fossil fuels                        using to much fertizer

            pollution

 

50. If we reduce, reuse, and recycle we are taking steps to Conserve our resources.

 

51. Our hereditary material that carries all of our genetic makeup and controls our activities      is our  DNA

 

52.  Segments on our DNA that code for a trait are- gene

 

53. Genotypes are our genetic makeup and represented by letters of the alphabet.

 

54. Phenotypes describe physical characteristics.

 

55.  BB is a purebred/homozygous, Bb is a hybrid/heterozygous  bb is a purebred/homozygous

 

56.  The dominant allele always takes over if it is present.

 

57. True or false?  Hair color, dimples, eye color, hair type, and height are all inherited traits? True

 

58. Define genetic engineering- The transfer of a gene from the DNA of one organism into another organism in order to produce an organism with desired traits

 

59. Gradual changes of populations over time is called- evolution

 

60. A characteristic that helps an organism to survive and reproduce in its environment is called- adaptation

 

60.  Natural selection is when organisms that are better adapted to their environment will survive.

 

61. The “Father of Genetics” is? Gregor Mendel

 

62.  Preserved remains of organisms that lived in the past are called- fossils

 

63.  Slight differences that can be observed in the same species are called- variations

 

64.  Review all BIOME notes

 

NOT ALL QUESTIONS ARE COVERED IN THIS STUDY GUIDE!  YOU WILL NEED TO THINK LIKE A SCIENTIST AND ALSO REVIEW CHARTS/GRAPHS.  THIS WILL BE A TEST GRADE!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

 

Add this:

 

What does consistent mean?  Kept the same

How are biomes defined?  Similar climates and organisms-organisms are adapted to live in that climate and conditions